19967697

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 30132648

約数和(自身を除く): 10164951

約数列:

[1, 3, 9, 41, 53, 123, 159, 369, 477, 1021, 2173, 3063, 6519, 9189, 19557, 41861, 54113, 125583, 162339, 376749, 487017, 2218633, 6655899, 19967697]

約数ペア:

[(1, 19967697), (3, 6655899), (9, 2218633), (41, 487017), (53, 376749), (123, 162339), (159, 125583), (369, 54113), (477, 41861), (1021, 19557), (2173, 9189), (3063, 6519)]